Home / 908,420.60-1,361,612.71-368,551.55

Finding the Fourth Proportional to 908,420.60, 1,361,612.71 and 368,551.55

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Solution

The fourth proportional to 908,420.60, 1,361,612.71 and 368,551.55 is: 552,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,420.60 : 1,361,612.71 = 368,551.55 : x
  2. Step 2: Convert to fraction form
    908,420.60/1,361,612.71 = 368,551.55/x
  3. Step 3: Cross multiply
    908,420.60x = 1,361,612.71 × 368,551.55
  4. Step 4: Simplify right side
    908,420.60x = 501,824,478,634.92
  5. Step 5: Solve for x
    x = 501,824,478,634.92/908,420.60
  6. Step 6: Final answer
    x = 552,414.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.